doug hudson, andrew lunt kin run bicycle companies in colorado. they took me out to red rocks. these guys will watch the debate, andrew hoping for a break through by his candidate, mitt romney. >> i want him to talk about conservative values, especially economically, em powering small businesses. >> reporter: chris used to vote republican. not anymore. >> what really changed my mind recently is it seems to have gotten away from taking care of the little guy. >> reporter: doug is undecided. i'd like to see some details both from romney and obama mainly on tax policy. >> reporter: vice president biden charged team romney would hike middle class tax. >> how they can justify raising taxes on the middle class that's been buried the last four years. >> reporter: the republicans jumped on that. buried by obama? >> vice president biden said just today said that the middle class over the last four years has been, quote, buried. we agree. that means we need to stop digging by electing mitt romney the next president of the united states. >> reporter: that's the kind of zinger sure to be h